package com.br.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import org.hibernate.SessionFactory;

public class conexaoHibernateFilter implements Filter{

	private SessionFactory sf;
	
	@Override
	public void destroy() {
		
		
	}

	@Override
	public void doFilter(ServletRequest servletFilter, ServletResponse servletResponse,
			FilterChain chain) throws IOException, ServletException {
		
		try {
			this.sf.getCurrentSession().beginTransaction();
			   chain.doFilter(servletFilter, servletResponse);
			   this.sf.getCurrentSession().getTransaction().commit();
			   this.sf.getCurrentSession().close();
		} catch (Throwable e) {
			
			
			try {
				
				if(this.sf.getCurrentSession().getTransaction().isActive()){
					
				this.sf.getCurrentSession().getTransaction().rollback();
					
				}
				
			} catch (Throwable t) {
				t.printStackTrace();
			}
			
			throw new ServletException(e.getMessage());
		}
		
		   
		   
		   
		
	}

	@Override
	public void init(FilterConfig config) throws ServletException {
	     
		
		this.sf= HibernateUtil.getSession();
		
	}

}
